Citizen Eco-Drive x Analog ft. Axiom Women Casual Formal Round Water Resistant Watch GA1050-51A GA1050 GA-1050Experience the perfect blend of fashion and innovation with a watch that transitions seamlessly from day to night, featuring a sleek stainless steel design, edge-to-edge glass, and our pioneering Eco-Drive technology, powered by any light source, eliminating the need for batteries.Caliber Number / MovementJ015 (solar Eco-Drive)Power Reserve / AccuracyApproximately 9 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousNilCase & Band MaterialStainless steel case with metal band (three-fold clasp with push-button release)Water ResistanceWater resistantCase SizeDiameter: 30.0 mmOther SpecificationsCitizen Eco-Drive x Analog ft. AxiomInsufficient charge warning functionOvercharge prevention functionDate displayRegular timekeeping (analog display)